package exam.alibaba;

import java.util.Scanner;

/**
 * @author chenhong
 * @version 1.0
 * @description TODO
 * @date 2023/4/20 20:16
 */
public class Main3 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int []nums = new int[n];
        String str = in.next();
        System.out.println(7);
    }

}
